One.Product data:

wafer high performance hard seat pneumatic butterfly valve

a.Features:

(1) 90° movement for full open/close position.

(2) Excellent control characteristics.Tight shut-off even after innumerable operations.

(3) Installation cost considerably reduced because of very low weight and compact design.

(4) Longer life and reliable service with minimum component wear.

(5) Renewable seats. No supplementary gasket required with the adjacent pipework.

(6) Body & Stem totally protected from service fluid.

b.Design consideration :

NO. Name Standard

1 Design Standard DIN 3354, API 609(AWWA C504)

2 Face to Face DIN 3202, ASME B16.10

3 End Flange DIN 2543-2545, ASME B16.5(ASME B16.7)

4 Inspection and Test DIN 3230,API 598 (API600)

c.Material could be:

Item Part Name Materials

1 Body Cast Iron/Ductile Iron/Carbon Steel/Stainless steel/Aluminum alloy/plastic

2 Stem :2Cr13/SS304/SS316/SS316L

3 Taper Pin :Stainless Steel304

4 Seat :Stainless steel

5 Disc :Ductile Cast Iron (Nickel plated)/Carbon Steel/Stainless steel

6 O-Ring :NBR/PTFE/BRONZE/EPDM

Material

Body

Nominal size: DN40 -DN1000mm

Body material: WCB,Ductile iron, ss304, 316

Connection type: Wafer type, LT lug wafer type 

Pressure class: PN1.0-1.6MPa

Structure type: Midline type 

2.Valve components

Seat sealing:   EPDM: -30~120℃

PTFE: -30℃~180℃

VITON: -30~150℃

NBR: -30~80℃

Disc material: Ductile iron nickel plating, nylon coating, aluminum bronze, 304, 316, 316L, 1.4529, 2507 

Stem material: 304,SS410

Applicable medium: Water, liquids, gas, oil, powder, steam, acid-base medium, etc.

3.Actuators 

Two.Related products

Patent products are the core competitiveness of enterprises. Products including butterfly valves, gate valves, ball valves, check valves, globe valves, Y type strainer, water power controlling valves and pressure regulating valves. With pressure rating ranging from 0.6Mpa to 10Mpa and port size from DN40 to DN3000. These valves can be operated manually, electrically, pneumatically, hydraulically, and elector-hydraulically, with reference to ANSI, API, DIN, BS, JPI, and JIS standards and China's GB standards. 

Three.Company profile 

Tianjin Nbestvalve Co., Ltd. was established in 2002, headquartered in No.21,No.1 Building, Ronghui Business Zone, Zhongguancun technology Park, Binhai New District, Tianjin, China. With the rapid development of the most dynamic Chinese Bohai Economic Rim, Our company, production, sales and manufacturing test capabilities, with independent import and export rights, is a science, industry and trade as one of the group enterprise.

Four.Aplication Area

a. Domestic sewage treatment.

b. industrial wastewater treatment.

c. industrial irrigation treatment.

Five.Packing and Freight

Six.FAQ

Q: Are you trading company or manufacture?

A: We are factory located in Tianjin, China.

Q: What's your product range?

A: We specialize in product butterfly valves, gate valves, check valves, Y type strainer, water controlling valves,motorized valves,pneumatic valves,hydraulic valves and other pipe accessories.

Q: What's execution standard?

A: ISO/ANSI/DIN/JIS/EN/GOST standard.

Q: What's your strong product?

A: Concentric butterfly valves, grooved butterfly valves, dual plate check valves.

Q: Do you provide sample? Is it free or extra?

A: Yes, we could offer the sample for free charge but do not pay the cost of the freight.

Q: How long is your delivery time?

A: Generally it is 7 days if the good are in stock, or it is 20 days if the goods are not in stock, it is according to the quantity.

Q: What is your terms of payments?

A: Payment ≤10000 USD, 100% in advance. Payment ≥10000USD, 30% T/T or other ways in advance, balance before shipment.

Seven.Contact us